Dues for 2014 SX300 Group membership are $40.00 and due in the month of January. Please make check payable to "The SX300 Group".

New Members Registration

If you are a dues paying member for 2014, click here to register for an account. The administrator will approve you based on your payment status.

For instructions on how to register, please click here.

What's Going On
  • 2014 Spring Break

    imageSX300 Group Spring Fly-in will be held March 28-30th at Spruce Creek Airport (7FL6). Come join the fun.


  • New Hartzell Prop

    imageJim V has announced the availability of an improved Scimitar style prop from Hartzell. Flight test was performed in Nov 2011 with Mike Smith's SX300 , IO-580, with 10 to 1 pistons. Read More
  • 2013 Alaska Trip

    imageWe are sorry to announce that the 2013 Alaska Trip has been cancelled. We will try again next year!

  • Congratulations:John Wilson

    imageCongratulations to John Wilson for winning at Bronze Lindy at Oshkosh 2013 with his SX300, N42SX. All the hard work paid off! See the list here.

Welcome - PDF Print E-mail

The SX300 was originally designed by Ed Swearingen in San Antonio, TX. The aircraft was marketed as a kit from 1984 to 1989. By the end of 1989 approximately 80 kits had been sold, although there were only 48 sets of landing gear, which were built by the landing gear vendor, Airight Inc. in Wichita, KS.


The inventory of SX300 parts were bought by Bill Johns and now reside with Doug Poli at his facility in Ft. Worth, TX. Questions about parts availability should be directed to either Bill Johns or Doug Poli.

The SX300 Group was formed to share ideas, help each other in the building process, create standardized operational procedures, promote safety and hopefully preserve this excellent aircraft.


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